<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
    Title="Window1">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition/>
        </Grid.RowDefinitions>
        <Button Content="Test" Click="Button_Click" />
        <telerik:RadGridView x:Name="RadGridView1" ItemsSource="{Binding Data}" Grid.Row="1" />
    </Grid>
</Window>
